CytokineticsCYTK
13F holders, Q1 2026 (March 31)441holders +10
71new positions
61sold out
7famous investors
$65.88avg. 13F price*
At the end of Q1 2026, 441 institutions reported holding Cytokinetics Inc. (CYTK) in their 13F filings, up 10 from Q4 2025. 71 opened new positions and 61 sold out. The largest holders were T. Rowe Price Investment Management, Inc. ($1.2B), BlackRock, Inc. ($1.1B) and FMR LLC ($706.8M). 7 famous investors held it, including Steve Cohen (0.1% of Point72 Asset Management's portfolio), Ken Griffin (0.1% of Citadel Advisors's portfolio) and David E. Shaw (0.0% of D. E. Shaw & Co.'s portfolio).
- Company
- Cytokinetics Inc.
- CUSIP
- 23282W605
- Latest filing quarter
- Q2 2026
History
Number of 13F holders
Total Exit/New Position Q4 2025 → Q1 2026
| Institutions | Total Value | |
|---|---|---|
| New Positions | 71 | $772.2M |
| Exits | 61 | $93.0M |
All 13F filers, Q4 2025 → Q1 2026: 19,339,284 shares bought and 11,974,152 shares sold, net +7,365,132 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 441 holders
| T. Rowe Price Investment Management, Inc. | 0.80% | Reduce -1.1% | 17,523,840 | $1.2B |
| BlackRock, Inc. | 0.02% | Add +0.9% | 16,548,011 | $1.1B |
| FMR LLC | 0.04% | Reduce -16.3% | 10,723,140 | $706.8M |
| Wellington Management Group LLP | 0.10% | Add +0.9% | 8,009,489 | $527.9M |
| Vanguard Portfolio Management LLC | 0.02% | — | 5,843,782 | $385.2M |
| State Street Corp. | 0.01% | Reduce -1.4% | 5,745,193 | $378.7M |
| Vanguard Capital Management LLC | 0.01% | — | 5,488,634 | $361.8M |
| Avoro Capital Advisors LLC | 2.16% | New | 3,333,333 | $219.7M |
| Geode Capital Management, LLC | 0.01% | Add +5.2% | 3,215,415 | $212.0M |
| Bank of America Corp. | 0.02% | Add +6.3% | 3,125,436 | $206.0M |
| RTW Investments, LP | 1.78% | No change | 2,721,158 | $179.4M |
| Goldman Sachs Group Inc. | 0.02% | Reduce -7.0% | 2,205,758 | $145.4M |
| UBS Group AG | 0.02% | Add +83.6% | 2,077,277 | $136.9M |
| Polar Capital Holdings Plc | 0.48% | Reduce -31.4% | 1,661,248 | $109.5M |
| Integral Health Asset Management, LLC | 5.58% | Add +14.3% | 1,600,000 | $105.5M |
| T. Rowe Price Associates Inc. | 0.01% | Reduce -17.9% | 1,584,321 | $104.4M |
| Morgan Stanley | 0.01% | Add +18.9% | 1,505,075 | $99.2M |
| Paradigm Biocapital Advisors LP | 1.99% | New | 1,480,857 | $97.6M |
| Northern Trust Corp. | 0.01% | Add +4.4% | 1,441,634 | $95.0M |
| Charles Schwab Investment Management Inc. | 0.01% | Add +1.0% | 1,397,045 | $92.1M |
| Deep Track Capital, LP | 1.87% | Reduce -58.8% | 1,374,320 | $90.6M |
| Capital International Investors | 0.02% | Add +13.6% | 1,338,803 | $88.2M |
| Frazier Life Sciences Management, L.P. | 1.97% | Add +24.1% | 1,159,879 | $76.4M |
| Citadel Advisors | 0.05% | Reduce -5.4% | 1,099,858 | $72.5M |
| Principal Financial Group Inc. | 0.04% | Add +11.9% | 1,093,485 | $72.1M |
| William Blair Investment Management, LLC | 0.24% | New | 1,087,591 | $71.7M |
| Bank of New York Mellon Corp | 0.01% | Add +17.8% | 1,006,185 | $66.3M |
| Woodline Partners LP | 0.25% | Reduce -39.3% | 1,000,428 | $65.9M |
| Balyasny Asset Management L.P. | 0.13% | New | 992,545 | $65.4M |
| Royalty Pharma Sub-Manager, LLC | 37.40% | No change | 980,392 | $64.6M |
| Susquehanna International Group, LLP | 0.08% | Add +19.3% | 898,951 | $59.2M |
| Logos Global Management LP | 2.97% | Add +191.7% | 875,000 | $57.7M |
| JPMorgan Chase & Co. | 0.00% | Reduce -36.0% | 903,805 | $56.9M |
| BNP Paribas Financial Markets | 0.04% | Add +47.3% | 854,374 | $56.3M |
| Melqart Asset Management (UK) Ltd | 5.48% | Add +35.5% | 843,949 | $55.6M |
| Vanguard Fiduciary Trust Co. | 0.01% | — | 799,622 | $52.7M |
| Qube Research & Technologies Ltd | 0.07% | Add +45.1% | 779,446 | $51.4M |
| Capital Research Global Investors | 0.01% | New | 770,999 | $50.8M |
| Fisher Asset Management | 0.02% | Reduce -6.6% | 768,264 | $50.6M |
| Armistice Capital, LLC | 1.66% | Reduce -23.0% | 764,538 | $50.4M |
| Pictet Asset Management Holding SA | 0.05% | Reduce -0.9% | 750,953 | $49.3M |
| BNP PARIBAS ASSET MANAGEMENT Holding S.A. | 0.05% | Reduce -13.7% | 714,344 | $47.1M |
| D. E. Shaw & Co. | 0.04% | Add +492.7% | 706,631 | $46.6M |
| Affinity Asset Advisors, LLC | 2.76% | Reduce -12.4% | 700,483 | $46.2M |
| Federated Hermes, Inc. | 0.07% | Add +44.6% | 699,453 | $46.1M |
| Nationale-Nederlanden Powszechne Towarzystwo Emerytalne S.A. | 3.69% | Reduce -11.7% | 660,310 | $43.5M |
| Marshall Wace, LLP | 0.05% | Add +94.8% | 656,608 | $43.3M |
| ADAR1 Capital Management, LLC | 2.53% | Add +17.1% | 632,556 | $41.7M |
| Point72 Asset Management | 0.08% | New | 626,102 | $41.3M |
| Brown Advisory Inc. | 0.07% | Reduce -15.9% | 614,655 | $40.5M |
| Siren, L.L.C. | 1.12% | New | 613,952 | $40.5M |
| Foresite Capital Management IV, LLC | 13.99% | Add +9.8% | 503,295 | $33.2M |
| MPM Bioimpact LLC | 2.54% | New | 500,000 | $33.0M |
| GW&K Investment Management, LLC | 0.29% | Add +4.7% | 494,619 | $32.6M |
| Invesco Ltd. | 0.00% | Add +136.7% | 484,980 | $32.0M |
| Aberdeen Group plc | 0.05% | Add +0.0% | 483,274 | $31.9M |
| Eventide Asset Management, LLC | 0.52% | Reduce -0.1% | 479,098 | $31.6M |
| American Century Companies Inc. | 0.02% | Add +0.0% | 443,957 | $29.3M |
| Alliancebernstein L.P. | 0.01% | Add +11.2% | 459,087 | $29.2M |
| TD Asset Management Inc | 0.02% | Reduce -22.6% | 420,846 | $27.7M |
| Franklin Resources Inc. | 0.01% | Reduce -0.1% | 409,784 | $27.0M |
| Rhumbline Advisers | 0.02% | Add +3.5% | 369,575 | $24.4M |
| Group One Trading LLC | 0.79% | Reduce -10.6% | 363,997 | $24.0M |
| Nuveen, LLC | 0.01% | Reduce -4.7% | 351,809 | $23.2M |
| GSK plc | 3.75% | No change | 340,434 | $22.4M |
| Candriam S.C.A. | 0.12% | Add +128.6% | 335,208 | $22.1M |
| Gilder Gagnon Howe & Co. LLC | 0.26% | Reduce -14.2% | 330,989 | $21.8M |
| Massachusetts Financial Services Co. | 0.01% | Reduce -4.8% | 311,649 | $20.5M |
| Ameriprise Financial Inc. | 0.00% | Reduce -44.5% | 302,802 | $20.0M |
| E. Ohman J:or Asset Management AB | 0.52% | Reduce -17.1% | 300,762 | $19.8M |
| Trails Edge Capital Partners, LP | 4.65% | New | 300,000 | $19.8M |
| Vestal Point Capital, LP | 0.55% | New | 300,000 | $19.8M |
| Two Sigma Investments, LP | 0.02% | Add +4.0% | 285,008 | $18.8M |
| First Turn Management, LLC | 2.09% | Reduce -12.9% | 283,700 | $18.7M |
| Ikarian Capital, LLC | 2.67% | Add +64.2% | 283,572 | $18.7M |
| Janus Henderson Group PLC | 0.01% | Add +10.1% | 282,121 | $18.6M |
| Susquehanna Portfolio Strategies, LLC | 0.27% | No change | 278,429 | $18.4M |
| Voya Investment Management LLC | 0.02% | Add +295.6% | 259,459 | $17.1M |
| Citigroup Inc. | 0.01% | Add +144.1% | 249,243 | $16.4M |
| Handelsbanken Fonder AB | 0.05% | Add +20.2% | 247,300 | $16.3M |
| Caption Management, LLC | 0.80% | Add +775.0% | 245,000 | $16.1M |
| Capital World Investors | 0.00% | New | 242,041 | $16.0M |
| UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC | 0.00% | Add +2.4% | 240,632 | $15.9M |
| Swiss National Bank | 0.01% | Add +2.5% | 229,800 | $15.1M |
| Sarissa Capital Management LP | 9.56% | Reduce -42.3% | 228,623 | $15.1M |
| HSBC Holdings PLC | 0.01% | Add +5906.5% | 221,999 | $14.6M |
| DAFNA Capital Management LLC | 3.31% | Reduce -41.4% | 217,497 | $14.3M |
| Freestone Grove Partners LP | 0.10% | New | 216,769 | $14.3M |
| Catalio Capital Management, LP | 2.97% | Reduce -16.6% | 215,501 | $14.2M |
| Mirador Capital Partners LP | 1.89% | Add +2.1% | 202,673 | $13.4M |
| Emerald Advisers, LLC | 0.41% | New | 198,811 | $13.1M |
| California Public Employees Retirement System | 0.01% | Add +4.8% | 198,530 | $13.1M |
| Deutsche Bank AG | 0.00% | Add +6.5% | 187,138 | $12.3M |
| Segall Bryant & Hamill, LLC | 0.17% | Reduce -4.9% | 180,200 | $11.9M |
| Checkpoint Capital L.P. | 4.26% | Add +7.9% | 180,000 | $11.9M |
| Pinnacle Associates Ltd. | 0.15% | Reduce -7.3% | 177,062 | $11.7M |
| Russell Investments Group, Ltd. | 0.01% | Add +26.4% | 174,029 | $11.5M |
| Manufacturers Life Insurance Company, The | 0.01% | Reduce -12.4% | 167,124 | $11.0M |
| AQR Capital Management | 0.00% | Reduce -33.9% | 156,544 | $10.3M |
| Legal & General Group Plc | 0.00% | Reduce -10.4% | 151,021 | $10.0M |
"% of holder's portfolio" is CYTK's weight in each manager's 13F, not the share of Cytokinetics Inc. the manager owns.